Abstract

Between 1960 and 1975, 212 names of foliicolous lichenized fungi (or believed to have such a biological status) were described or used by A. C. Batista and co-workers. A considerable number of the new names were not validly published but mentioned asnomina nudain various papers, while a further 69 names exist only as herbarium names. A taxonomic revision demonstrates that 36 of the 38 validly described genera (=95%) and 56 of the 68 validly published species and varieties (=82%) are either synonyms of previously known taxa, or represent non-lichenized or lichenicolous fungi, or cannot be readily identified and remainnomina dubia. Most of the descriptions refer to pycnidia, particularly those of theStrigulaceae(5 genera, 8 species or varieties), the hyphophores ofGomphillaceae(6 genera, 10 species), and the genusMicrotheliopsis(3 genera, 3 species), whereas campylidia of theEctolechiaceaeare under-represented. A further six, monotypic genera correspond to lichenicolous or non-lichenized fungi. The following validly described taxa remain as autonomous genera or species of foliicolous lichens:AmazonomycesBat., a generic name taken up for two species previously placed inStirtoniaandCryptothecia, with two new combinations:Amazonomyces sprucei(R. Sant.) Lücking, Sérus. & Thor comb. nov. [Bas.:Stirtonia spruceiR. Sant.; Syn.:Amazonomyces palmaeBat. & Cavalc.], andAmazonomyces farkasiae(Lücking) Lücking, Sérus. & Thor comb. nov. [Bas.:Cryptothecia farkasiaeLücking];LyrommaBat. & H. Maia, a distinctive genus of the Dothideales, with two species described by Batista and co-workers, and one new combination:Lyromma palmae(Cavalc. & A. A. Silva) Lücking & Sérus. comb. nov. [Bas.:Anconomyces palmaeCavalc. & A. A. Silva];Arthonia lecythidicola(Bat. & H. Maia) Lücking & Sérus. comb. nov. [Bas.:Ameropeltomyces lecythidicolaBat. & H. Maia];Arthonia orbignyae(H. B. P. Upadhyay) Matzer [Bas.:Opegrapha orbignyaeH. B. P. Upadhyay; Syn.:Arthonia opegraphinaLücking];Asterothyrium aspidospermatis(Peres) Lücking & Sérus. comb. nov. [Bas.:Actinoteichus aspidospermatisPeres] andAsterothyrium pernambucense(Cavalc.) Lücking & Sérus. comb. nov. [Bas.:Actinoteichus pernambucensisCavalc.], two apomictic pycnidial forms ofAsterothyrium, in addition to the reinstalledA. umbilicatum(Müll. Arg.) Müll. Arg.;Byssoloma guttiferae(Bat. & Peres) Lücking & Sérus. comb. nov. [Bas.:Crocicreomyces guttiferaeBat. & Peres; Syn.:Byssoloma aeruginascensVězda];Phyllobathelium leguminosae(Cavalc. & A. A. Silva) Lücking & Sérus. comb. nov. [Bas.:Septoriomyces leguminosaeCavalc. & A. A. Silva];Tricharia couepiae(Bat.) Lücking & Sérus. comb. nov. [Bas.:Aderkomyces couepiaeBat.] andTrichothelium brasilienseJ. L. Bezerra & L. Xavier.Echinoplaca amapensisBat. & Poroca, a distinctive species with characters that suggest a placement into theArthoniaceae, will most probably require a new genus when more material is available. One species is validated and two are described as new:Bapalmuia verrucosaSérus. & Lücking spec. nov.,Enterographa batistaeLücking & Sérus. spec. nov. andOpegrapha duckeiBat., J. L. Bezerra & Cavalc. ex Lücking & Sérus.

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